PlantNET Home PlantNET Home | Search NSW Flora | Contact Us  
FloraOnline
Introduction
Plant Name Search
Index Search
Spatial Search
Identification Keys
Classification
Glossary
HerbLink (Type Images)
WeedAlert
Other PlantNET Sites
Other Data Sources
NEW SOUTH WALES FLORA ONLINE Printable Page

Family Colchicaceae

Description: Erect or sometimes climbing herbs with rhizomes or corms.

Leaves few and basal or numerous and scattered along an erect aerial stem, mostly linear to lanceolate, dorsiventral, lamina usually with numerous longitudinal veins; stipules absent.

Inflorescence terminal on herbaceous stem, racemose, cymose or rarely flowers solitary. Flowers actinomorphic, 3-merous, bisexual or more rarely unisexual and than plants dioecious or polygamous. Tepals 6, in 2 whorls, ± similar in size and shape, free or basally fused. Nectaries present at base of tepals. Stamens usually 6; filaments free; anthers usually extrorse, dehiscing by longitudinal slits. Ovary superior, 3-locular; ovule several–many per loculus; styles 3, or style 3-lobed.

Fruit capsular; seeds few–many.


Distribution and occurrence: World: 11 genera, 175 species, widespread, Africa, Mediterranean, Asia, Australia, New Zealand. Australia: 5 genera, 27 species, all States.

External links:
Angiosperm Phylogeny Website (Family: Colchicaceae, Order: Liliales)
Wikipedia

These genera have often been included in the Liliaceae s. lat. Members of this family contain tropolonic alkaloids, including the toxic colchicine.

Text by G. J. Harden
Taxon concept:

 Key to the genera 
1Leaves ending in a tendril; tepals 5–8 cm longGloriosa
Leaves not ending in a tendril; tepals less than 5 cm long2
2Inflorescence an umbel; capsule septicidalBurchardia
Inflorescence either not an umbel or flowers solitary; capsule loculicidal
                       Back to 1
3
3Tepals with 1 or 2 nectaries on inner surface; capsule 2.5–10 mm longWurmbea
Tepals without nectaries; capsule more than 10 mm long
                       Back to 2
Iphigenia

  Privacy | Copyright | Disclaimer | About PlantNET | Cite PlantNET